ait semiconductor inc. www.ait - ic.com a 6500 low dropout voltage regulator low noise fast response 500ma ldo regulator rev1. 4 - aug 2006 released , feb 201 5 updated - 1 description features a6500 series is a group of positive voltage output, low power consumption, low dropout voltage regulator. a6500 can provide output value in the range of 1.2v~4.5v every 0.1v step. it also can be customized on command. a6500 includes high accuracy voltage reference, error amplifier, current limit circuit and output driver module with discharge capability. a6500 has excellent load and line transient response and good temperature characteristics, which can assure the stability of chip a nd power system. and it uses trimming technique to guarantee output voltage accuracy within 2%. a6500 is available in sot - 25 package. ? low dropout voltage: 0.46v@ 500 ma( typ.) ? low power consumption: 75ua (typ.) ? low output noise (47uv rms ) ? standby mode: 0.1u a ? high ripple rejection: 66db@ 100hz (typ.) ? low temperature coefficient: 100ppm/ ? build - in chip enable and discharge circuit ? excellent line regulation: 0.05%/v ? output voltage range: 1.2v~4.5v (customized on command every 0.1v step) ? highly accurate: 2% (1% customized ) ? output current limit ? available in sot - 25 package applica tion ? power source for cellular phone and various kind of pc s s ? battery powered equipment ? power management of mp3, pda, dsc, mouse, ps2 games ? reference voltage source ? regulation after switching power typical application ordering information package ty pe part number sot - 25 e5 a6500e5r - xx a6500e5vr - xx note xx: output voltage 25=2.5v, 33=3.3v r: tape & reel v: halogen free package ait provides all rohs products suffix v means halogen free package
ait semiconductor inc. www.ait - ic.com a 6500 low dropout voltage regulator low noise fast response 500ma ldo regulator rev1. 4 - aug 2006 released , feb 201 5 updated - 2 pin description top view pin # symbol function 1 v in input pin 2 gnd ground pin 3 ce chip enable pin 4 nc no connection 5 v out output pin
ait semiconductor inc. www.ait - ic.com a 6500 low dropout voltage regulator low noise fast response 500ma ldo regulator rev1. 4 - aug 2006 released , feb 201 5 updated - 3 absolute maximum ratings max input voltage 10v t j, junction temperature 125 output curr ent 500ma power dissipation 2 5 0mw t s, storage temperature 45~150 stresses above may cause permanent damage to the device. these are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated in the electrical characteristics are not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. recommended operating conditions input voltage range 8 v ambient temperature - 40 c to 85 c thermal resist ance package ja jc sot - 25 250c/w 130c/w note: thermal resistance is specified with approximately 1 square of 1 oz copper.
ait semiconductor inc. www.ait - ic.com a 6500 low dropout voltage regulator low noise fast response 500ma ldo regulator rev1. 4 - aug 2006 released , feb 201 5 updated - 4 electrical characteristics (test condition: c in = 1uf, c out = 3.4uf, t a =25, unless otherwise specified.) parameter symbol co nditions min typ . max unit input voltage v in 8 v output voltage v out v in = set v out + 1v 1maQ i out Q 3 0ma v out x0.98 v out1 v out x1.02 v maximum output current i out (max.) v in C v out = 1v 500 ma dropout voltage v out R2.8v v drop note1 i out = 100ma 88 1 20 mv i out = 300ma 270 350 i out = 500ma 460 600 line regulation v out v in v out i out = 40ma 2.8v Q v in Q 8v 0.05 0.2 %/v load regulation v out / i out v in = set v out + 1v 1ma Q i out Q 500ma 20 40 mv supply current i ss v in = set v out + 1v 75 90 ua supply current (standby) i standby v in =set v out + 1v v ce =gnd 0.1 1.0 ua output voltage temperature coefficiency v out t v out i out = 30ma 100 ppm/ ripple rejection psrr f = 100h z ripple = 0.5v p-p v in = set v out + 1v 6 5 db sho rt current limit i lim v out = 0v 200 ma ce pull down resistance rpd 2.0 5.0 10.0 m ce input voltage h v ceh 1.5 v in v ce input voltage l v cel 0 0.25 v output noise en bw=10h z ~100kh z 47 uv rms note1: v drop =v in 1 - (v out 2*0.98) v out 2 is the outp ut voltage when v in =v out 1+1.0v and i out =300ma or i out =500ma. v in 1 is the input voltage at which the output voltage becomes 98% of v out 1 after gradually decreasing the input voltage.
ait semiconductor inc. www.ait - ic.com a 6500 low dropout voltage regulator low noise fast response 500ma ldo regulator rev1. 4 - aug 2006 released , feb 201 5 updated - 5 typical performance characteristics 1. output voltage vs. output cur rent with output short protection 2. output voltage vs. input voltage 3. dropout voltage vs. output current 4. ripple rejection vs. frequency 5. line transient response 6. load transient response
ait semiconductor inc. www.ait - ic.com a 6500 low dropout voltage regulator low noise fast response 500ma ldo regulator rev1. 4 - aug 2006 released , feb 201 5 updated - 6 7. startup response 8 . shutdown response
ait semiconductor inc. www.ait - ic.com a 6500 low dropout voltage regulator low noise fast response 500ma ldo regulator rev1. 4 - aug 2006 released , feb 201 5 updated - 7 block diagram
ait semiconductor inc. www.ait - ic.com a 6500 low dropout voltage regulator low noise fast response 500ma ldo regulator rev1. 4 - aug 2006 released , feb 201 5 updated - 8 detailed information a6500 series is a group of positive voltage ou tput, low noise, low power consumption, low dropout voltage regulator. a6500 can provide output value in the range of 1.2v~4.5v every 0.1v step. it also can be customized on command. a6500 includes high accuracy voltage reference, error amplifier, current limit circuit and output driver module. a6500 has excellent load and line transient response and good temperature characteristics, which can assure the stability of chip and power system. and it uses tr imming technique to guarantee output voltage accuracy within 2%. typical application circuit input capacitor (c in = 1uf) is recommended in all application circuit. output capacitor (c out = 3.3uf/4.7uf) is recommended in all application to assure the stabi lity of circuit
ait semiconductor inc. www.ait - ic.com a 6500 low dropout voltage regulator low noise fast response 500ma ldo regulator rev1. 4 - aug 2006 released , feb 201 5 updated - 9 package information dimension in sot - 25 (unit: mm) symbol min max a 1.0 0 0 1. 30 0 a1 0.100 0.250 a2 0.800 0.900 b 0.300 0.500 c 0.100 0.200 d 2.70 0 3. 100 e 1.500 1. 8 00 e1 3.100 2.500 e 0.950(bsc) e1 1 .7 00 2. 1 00 l 0.300 0.600 0 8
ait semiconductor inc. www.ait - ic.com a 6500 low dropout voltage regulator low noise fast response 500ma ldo regulator rev1. 4 - aug 2006 released , feb 201 5 updated - 10 important notice ait semiconductor inc. (ait) reserves the right to make changes to any its product, specifications, to dis co ntinue any integrated circuit product or service without notice, and advises its customers to obtain th e latest version of relevant information to verify, before placing orders, that the information being relied on is current. ait semiconductor inc. 's integrated circuit products are not designed, intended, authorized, or warranted to be suitable for use i n life support applications, devices or systems or other critical applications. use of ait products in such applications is understood to be fully at the risk of the customer. as used herein may involve potential risks of death, personal injury , or serv e property, or environmental damage. in order to minimize risks associated with the customer's applications, the customer should provide adequate design and operating safeguards. ait semiconductor inc . assumes to no liability to customer product design or application support. ait warrants the performance of its products of the specifications applicable at the time of sale.
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